The name given to the original cell before it divides is called the parent cell.
The vector that would be the
best choice for cystic fibrosis gene therapy is adeno-associated virus for it
has valuable reasons. First, it is huge enough to carry the gene, second, it
will infect the right type of tissue, third, it will not cause an immune
response and lastly, it infects the particular cells that divide irregularly. Therefore,
this vector will definitely treat cystic fibrosis for it can target affected
cells, which is a great help in the normal functioning of an organ.
My biology is a little rusty but I think the answer is A
On the modern magnitude scale, Sirius, the star with the brightest apparent magnitude, has been assigned a magnitude of −1.5.
